this is steve harley and i. hubbel is 2,500 pounds, weighs nothing in space. very complicated mission -- complicated, the mission turned out to be. that's prelaunch on hubbel. you didn't see us prelaunch on my first flight, but on my first flight, we wore a regular old suit and helmet. then we felt wearing the suit, if we had another challenger type accident, it would allow the crew sometime -- that heat becomes a co-cune -- cacoon. it becomes a small space suit. so that's what we did. >> so both the challenger and columbia. what did that do? >> for me, or for the nation? >> just for you. >> columbia was devastating in and of itself. because i had been on the vehicle. >> was that 1987? >> that was 2003. >> challenger was -- >> challenger was 1986. that was very difficult. i trained with christie mcculiff. my first crew was the teacher in flight. then we took a member of congress. it turned out to be then congressman bill nelson and rod sieker, because we flew a classified camera that bob was the expert on. but the l -- to lose challenger 10 days after we had c